328381140 has 48 divisors (see below), whose sum is σ = 949132800. Its totient is φ = 84743040.

The previous prime is 328381127. The next prime is 328381159. The reversal of 328381140 is 41183823.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 328381098 and 328381107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86415 + ... + 90134.

It is an arithmetic number, because the mean of its divisors is an integer number (19773600).

Almost surely, 2^328381140 is an apocalyptic number.

328381140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328381140 is an abundant number, since it is smaller than the sum of its proper divisors (620751660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328381140 is a wasteful number, since it uses less digits than its factorization.

328381140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176592 (or 176590 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 328381140 is about 18121.2896892026. The cubic root of 328381140 is about 689.9104693749.

The spelling of 328381140 in words is "three hundred twenty-eight million, three hundred eighty-one thousand, one hundred forty".